Agresti, A. (2007), An Introduction to Categorical Data Analysis, 2nd Edition, New York: John Wiley & Sons.

Bross, I. D. J. (1958), “How to Use Ridit Analysis,” Biometrics, 14, 18–38.

Conover, W. J. (1999), Practical Nonparametric Statistics, 3rd Edition, New York: John Wiley & Sons.

Conover, W. J. and Iman, R. L. (1981), “Rank Transformations as a Bridge between Parametric and Nonparametric Statistics,” American Statistician, 35, 124–129.

Gibbons, J. D. and Chakraborti, S. (2010), Nonparametric Statistical Inference, 5th Edition, New York: Chapman & Hall.

Hajek, J. (1969), A Course in Nonparametric Statistics, San Francisco: Holden-Day.

Hettmansperger, T. P. (1984), Statistical Inference Based on Ranks, New York: John Wiley & Sons.

Hollander, M. and Wolfe, D. A. (1999), Nonparametric Statistical Methods, 2nd Edition, New York: John Wiley & Sons.

Hora, S. C. and Conover, W. J. (1984), “The F Statistic in the Two-Way Layout with Rank-Score Transformed Data,” Journal of the American Statistical Association, 79, 668–673.

Hora, S. C. and Iman, R. L. (1988), “Asymptotic Relative Efficiencies of the Rank-Transformation Procedure in Randomized Complete Block Designs,” Journal of the American Statistical Association, 83, 462–470.

Iman, R. L. (1988), “The Analysis of Complete Blocks Using Methods Based on Ranks,” in Proceedings of the Thirteenth Annual SAS Users Group International Conference, Cary, NC: SAS Institute Inc.

Iman, R. L. and Conover, W. J. (1979), “The Use of the Rank Transform in Regression,” Technometrics, 21, 499–509.

Iman, R. L., Hora, S. C., and Conover, W. J. (1984), “Comparison of Asymptotically Distribution-Free Procedures for the Analysis of Complete Blocks,” Journal of the American Statistical Association, 79, 674–685.

Ipe, D. (1987), “Performing the Friedman Test and the Associated Multiple Comparison Test Using PROC GLM,” in Proceedings of the Twelfth Annual SAS Users Group International Conference, Cary, NC: SAS Institute Inc.

Lehmann, E. L. and D’Abrera, H. J. M. (2006), Nonparametrics: Statistical Methods Based on Ranks, New York: Springer Science & Business Media.

Randles, R. H. and Wolfe, D. A. (1979), Introduction to the Theory of Nonparametric Statistics, New York: John Wiley & Sons.